单词	rotor disk
释义	rotor disk noun : the plane circular area swept through by the blades of a helicopter rotor Word History First Known Use 1931, in the meaning defined above
随便看	Aequi Aequian aequiculi Aequidens aequo animo Aequorea aequorin aequorins aer aer- aera aerate aerated aerated bread aerated concrete aerated water aerates aerating aeration aerations aerator aerators aerenchyma aerenchymas aerenchymata

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